Q: What are the prime factors of the number 16,151,967?

 A: 3, 13, 5113

Why are those the prime factors of the number 16,151,967?

Prime factors are the prime numbers that can be multipled together to equal the original number. You find the factors by dividing by prime numbers. It is best shown by creating a Factor Tree.

Factor Tree for the number 16,151,967

16,151,967
Factor Arrows
35,383,989
Factor Arrows
31,794,663
Factor Arrows
3598,221
Factor Arrows
3199,407
Factor Arrows
366,469
Factor Arrows
135,113

The numbers in bold above are the prime factors. If there are multiples, you only count them one time. This leads us to our prime factors of:

3, 13, 5113

We can check our work by multiplying all of the prime factors together: 3 x 3 x 3 x 3 x 3 x 13 x 5,113 = 16,151,967

This can also be written as 35 x 131 x 5,1131 = 16,151,967

If you would like to know more, or need additional explanation, please review our prime factorization explanation.


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